--- Crypt-Eksblowfish-0.009/lib/Crypt/Eksblowfish/Bcrypt.pm.alt	2011-04-28 00:08:34.000000000 +0400
+++ Crypt-Eksblowfish-0.009/lib/Crypt/Eksblowfish/Bcrypt.pm	2016-09-22 11:20:30.713891233 +0300
@@ -153,7 +153,7 @@ of the string is ignored on input.
 sub bcrypt($$) {
 	my($password, $settings) = @_;
 	croak "bad bcrypt settings"
-		unless $settings =~ m#\A\$2(a?)\$([0-9]{2})\$
+		unless $settings =~ m#\A\$2([ay]?)\$([0-9]{2})\$
 					([./A-Za-z0-9]{22})#x;
 	my($key_nul, $cost, $salt_base64) = ($1, $2, $3);
 	my $hash = bcrypt_hash({